diff --git a/src/mocks/Reserve.sol b/src/mocks/Reserve.sol
index dd1cf81..6571679 100644
--- a/src/mocks/Reserve.sol
+++ b/src/mocks/Reserve.sol
@@ -20,11 +20,13 @@ contract Reserve is ERC20Permit {
     }
 
     fallback() external payable {
-        _mint(msg.sender, msg.value);
+        _accumulateDonation(msg.value);
+        _mint(msg.sender, msg.value * conversionRate);
     }
 
     receive() external payable {
-        _mint(msg.sender, msg.value);
+        _accumulateDonation(msg.value);
+        _mint(msg.sender, msg.value * conversionRate);
     }
 
     function changeRate(uint256 rate) external {
@@ -52,8 +54,7 @@ contract Reserve is ERC20Permit {
     }
 
     function mint(address account) external payable {
-        uint256 donation = msg.value * donationRate / 1e5;
-        accumulatedDonation += donation;
+        _accumulateDonation(msg.value);
         _mint(account, msg.value * conversionRate);
     }
 
@@ -70,4 +71,9 @@ contract Reserve is ERC20Permit {
         uint256 valueDiff = address(this).balance - accumulatedDonation;
         return amount * valueDiff / totalSupply();
     }
+
+    function _accumulateDonation(uint256 value) private {
+        uint256 donation = value * donationRate / 1e5;
+        accumulatedDonation += donation;
+    }
 }
diff --git a/test/tokens/Reserve.t.sol b/test/tokens/Reserve.t.sol
index bd3a613..d451985 100644
--- a/test/tokens/Reserve.t.sol
+++ b/test/tokens/Reserve.t.sol
@@ -270,4 +270,30 @@ contract ReserveTest is Test {
         assertEq(reserve.accumulatedDonation(), sendAmount);
         assertEq(address(reserve).balance, sendAmount);
     }
+
+    function test_reserveFallback() public {
+        assertEq(address(reserve).balance, 0);
+        assertEq(reserve.balanceOf(aliceAddress), 0);
+
+        vm.prank(aliceAddress);
+        (bool success, ) = address(reserve).call(abi.encodeWithSignature("nonExistentFunction()"));
+        require(success, "Fallback call failed");
+
+        assertEq(address(reserve).balance, 0);
+        assertEq(reserve.balanceOf(aliceAddress), 0);
+    }
+
+    function test_reserveReceive() public {
+        assertEq(address(reserve).balance, 0);
+        assertEq(reserve.balanceOf(aliceAddress), 0);
+
+        deal(aliceAddress, sendAmount);
+        vm.prank(aliceAddress);
+        (bool success, ) = address(reserve).call{value: sendAmount}("");
+        require(success, "Transfer of native failed");
+
+        uint256 estimatedReceiveAmount = sendAmount * reserve.conversionRate();
+        assertEq(address(reserve).balance, sendAmount);
+        assertEq(reserve.balanceOf(aliceAddress), estimatedReceiveAmount);
+    }
 }